d) C7H10O3 (There is a C-O stretch at 1740 cm1 an another at 1720 cm1 in...
5) Put the following C-H bonds in order of which onc would lead to the most stable radical. If the C-H bond forms a more stable radical, then the bond strength will be weaker. НА HB least stable radical most stable radical weakest C-H bond НЕ strongest C-H bond Н Hp
(14 pts.) 2. A spectroscopic road map. Provide the missing reactants, intermediates, and reagents for the following synthetic scheme, based on the initial spectroscopic data. C: CeH20 IR: 1720 cm-1, strong HNMR 9.72 ppm, 1H, SE 2.40 ppm, 2H, t IR: 3300 cm1, sharp HNMR: 2.83 ppm, 1H, s 1.99 ppm, 2H, d 1.80 ppm, 1H, m 0.91 ppm, 6H, d MgBr 1) H2CrO4 2) dil. H,o 1.62 ppm, 1H, m 1.50 ppm, 2H, m 0.91 ppm, 6H, d PPh3...
For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. 3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsHjo Draw the structure of the compound 10 H CHIO PPM b) CxH100 Draw the structure of the compound. CH400 0,2H ,2H PPM c) C6H1202 (IR stretch: C=0 stretch at 1737 cm') Draw the structure of...
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
Fill in the wave number functional group , Vibration and intensity of the compound below in the black space base on the structural type and chemical shift range provided below Compound name Propanol REPORT FORM: ORGANIC STRUCTURE DETERMINATION BY SPECTROMETRIC TECHNIQUES Unknown number Infrared absorption assignments: Wavenumber Vibration Functional group(Stretch or band) Intensity (w, m or s) (cm1) H NMR assignment Chemical shift Explanation of multiplicity Integration assignment (рpm) 1C NMR assignment DEPT 135 appearance (if available) Chemical shift (ppm)...
Unknown H415 100 50 1000 1S00 2000 3000 BRVENUMBERI 4000 Unknown H415 ЗН 1 H-N 2H, q 1H, d 5H, m 1H, d 0 1 2 3 6 7 8 10 11 ppm HSP-00-049 Unknown H415 q 140 120 100 200 180 160 ppm CDS-00-726 20 -40 60 80 Relative Intensity 09 Unknown H415 100 MS-NJ-0442 80 20 thmpt 25 50 75 100 125 150 175 m/z Date: Name: Section/Group: Instructor: Report Sheet: Laboratory 14 MS,IR, 13C NMR, and 'H...